<template>
  <div>
    <!-- 幻灯片 开始 -->
    <el-carousel  type="card" indicator-position="outside" height="400px">
      <el-carousel-item >
        <img src="~/assets/photo/banner/banner-1.jpg" alt="首页banner" />
      </el-carousel-item>
      <el-carousel-item>
        <img src="~/assets/photo/banner/banner-2.jpg" alt="首页banner" />
      </el-carousel-item>
      <el-carousel-item>
        <img src="~/assets/photo/banner/banner-3.jpg" alt="首页banner" />
      </el-carousel-item>
      <el-carousel-item>
        <img src="~/assets/photo/banner/banner-4.jpg" alt="首页banner" />
      </el-carousel-item>
    </el-carousel>
    <!-- 幻灯片 结束 -->

    <div id="aCoursesList">
      <!-- 网校课程 开始 -->
      <div>
        <section class="container">
          <header class="comm-title">
            <h2 class="tac">
              <span class="c-333">热门课程</span>
            </h2>
          </header>
          <div>
            <article class="comm-course-list">
              <ul class="of" id="bna">
                <li v-for="course in eduList" :key="course.id">
                  <div class="cc-l-wrap">
                    <section class="course-img">
                      <img
                        :src="course.cover"
                        class="img-responsive"
                        :alt="course.title"
                      />
                      <div class="cc-mask">
                        <a
                          :href="/course/ + course.id"
                          title="开始学习"
                          class="comm-btn c-btn-1"
                          >开始学习</a
                        >
                      </div>
                    </section>
                    <h3 class="hLh30 txtOf mt10">
                      <a
                        :href="/course/ + course.id"
                        :title="course.title"
                        class="course-title fsize18 c-333"
                        >{{ course.title }}</a
                      >
                    </h3>
                    <section class="mt10 hLh20 of">
                      <span
                        class="fr jgTag bg-green"
                        v-if="Number(course.price) === 0"
                      >
                        <i class="c-fff fsize12 f-fA">免费</i>
                      </span>
                      <span class="fl jgAttr c-ccc f-fA">
                        <i class="c-999 f-fA">9634人学习</i>
                        |
                        <i class="c-999 f-fA">9634评论</i>
                      </span>
                    </section>
                  </div>
                </li>
              </ul>
              <div class="clear"></div>
            </article>
            <section class="tac pt20">
              <a href="/course" title="全部课程" class="comm-btn c-btn-2"
                >全部课程</a
              >
            </section>
          </div>
        </section>
      </div>
      <!-- /网校课程 结束 -->
      <!-- 网校名师 开始 -->
      <div>
        <section class="container">
          <header class="comm-title">
            <h2 class="tac">
              <span class="c-333">名师大咖</span>
            </h2>
          </header>
          <div>
            <article class="i-teacher-list">
              <ul class="of">
                <li v-for="teacher in teacherList" :key="teacher.id">
                  <section class="i-teach-wrap">
                    <div class="i-teach-pic">
                      <a :href="/teacher/ + teacher.id" :title="teacher.name">
                        <img :alt="teacher.name" :src="teacher.avatar" />
                      </a>
                    </div>
                    <div class="mt10 hLh30 txtOf tac">
                      <a
                        :href="/teacher/ + teacher.id"
                        :title="teacher.name"
                        class="fsize18 c-666"
                        >{{ teacher.name }}</a
                      >
                    </div>
                    <div class="hLh30 txtOf tac">
                      <span class="fsize14 c-999">{{ teacher.career }}</span>
                    </div>
                    <div class="mt15 i-q-txt">
                      <p class="c-999 f-fA">{{ teacher.intro }}</p>
                    </div>
                  </section>
                </li>
              </ul>
              <div class="clear"></div>
            </article>
            <section class="tac pt20">
              <a href="/teacher" title="全部讲师" class="comm-btn c-btn-2"
                >全部讲师</a
              >
            </section>
          </div>
        </section>
      </div>
      <!-- /网校名师 结束 -->
    </div>
  </div>
</template>

<script>
import banner from "../api/banner";
import index from "../api/index";

export default {
  data() {
    return {
      swiperOption: {
        //配置分页
        pagination: {
          el: ".swiper-pagination", //分页的dom节点
        },
        //配置导航
        navigation: {
          nextEl: ".swiper-button-next", //下一页dom节点
          prevEl: ".swiper-button-prev", //前一页dom节点
        },
      },
      //banner数组
      banner: [
        {
          id: 1,
          url: "~/assets/photo/banner/banner-1.jpg",
        },
        {
          id: 2,
          url: "~/assets/photo/banner/banner-2.jpg",
        },
        {
          id: 3,
          url: "~/assets/photo/banner/banner-3.jpg",
        },
        {
          id: 4,
          url: "~/assets/photo/banner/banner-4.jpg",
        },
      ],
      eduList: [],
      teacherList: [],
      teacherId: "",
    };
  },
  created() {
    //调用查询banner的方法
    this.getBannerList();
    //调用查询热门课程和名师的方法
    this.getHotCourseTeacher();
  },
  methods: {
    //查询热门课程和名师
    getHotCourseTeacher() {
      index.getIndexData().then((res) => {
        console.log(res);
        this.eduList = res.data.data.eduList;
        this.teacherList = res.data.data.teacherList;
      });
    },
    //查询banner数据
    getBannerList() {
      banner.getListBanner().then((res) => {
        console.log(res);
        // this.bannerList = res.data.data.list
      });
    },
  },
};
</script>
<style>
  .el-carousel__item img {
    color: #475669;
    font-size: 18px;
    opacity: 0.75;
    line-height: 300px;
    margin: auto;
  }
  
  .el-carousel__item:nth-child(2n) {
    background-color: #99a9bf;
  }
  
  .el-carousel__item:nth-child(2n+1) {
    background-color: #d3dce6;
  }
</style>